142989980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:795

約数の個数: 96

約数和(自身を含む): 362299392

約数和(自身を除く): 219309412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 434, 470, 620, 658, 701, 868, 940, 1085, 1316, 1402, 1457, 1645, 2170, 2804, 2914, 3290, 3505, 4340, 4907, 5828, 6580, 7010, 7285, 9814, 10199, 14020, 14570, 19628, 20398, 21731, 24535, 29140, 32947, 40796, 43462, 49070, 50995, 65894, 86924, 98140, 101990, 108655, 131788, 152117, 164735, 203980, 217310, 230629, 304234, 329470, 434620, 461258, 608468, 658940, 760585, 922516, 1021357, 1153145, 1521170, 2042714, 2306290, 3042340, 4085428, 4612580, 5106785, 7149499, 10213570, 14298998, 20427140, 28597996, 35747495, 71494990, 142989980]

約数ペア:

[(1, 142989980), (2, 71494990), (4, 35747495), (5, 28597996), (7, 20427140), (10, 14298998), (14, 10213570), (20, 7149499), (28, 5106785), (31, 4612580), (35, 4085428), (47, 3042340), (62, 2306290), (70, 2042714), (94, 1521170), (124, 1153145), (140, 1021357), (155, 922516), (188, 760585), (217, 658940), (235, 608468), (310, 461258), (329, 434620), (434, 329470), (470, 304234), (620, 230629), (658, 217310), (701, 203980), (868, 164735), (940, 152117), (1085, 131788), (1316, 108655), (1402, 101990), (1457, 98140), (1645, 86924), (2170, 65894), (2804, 50995), (2914, 49070), (3290, 43462), (3505, 40796), (4340, 32947), (4907, 29140), (5828, 24535), (6580, 21731), (7010, 20398), (7285, 19628), (9814, 14570), (10199, 14020)]